A = 0 B = 4 C = 11
Consider a wire with resistivity, ρ = (1.20 + A) × 10 –7 Ω∙m, a diameter, D = (1.50 + B) mm, and a length, L = (15.0 + C) m. Determine the current in amperes (A) that would flow through this resistor if it hooked up to a (10 + B) V battery. Round your answer to two significant figures.
Consider a wire with resistivity, ρ = (2.20 ) × 10 –7 Ω∙m, a diameter, D = (1.50 ) mm, and a length, L = (23) m. Determine the current in amperes (A) that would flow through this resistor if it hooked up to a (10 ) V battery. Round your answer to two significant figures.
Consider a wire with resistivity of (1.20+A)x10-7 Ω m, a diameter of (1.50+B) mm, and a length of (15.0+C) m. Determine the resistance of the wire in ohms (Ω). Round your answer to three significant figures. a= 8 b = 2 c= 12
A solenoid is made from wire of resistivity ρ= 1.72 10 ^-8 m Ω⋅ and diameter 0.8 mm that is wrapped into 200 loops of 4 cm diameter. The solenoid is 8 cm long. If an emf of 12 V is connected to the ends of the wire, what is the magnetic field that this solenoid produces? Determine the length of wire and calculate the resistance in the wire. R= ρ L/A Calculate the current in the solenoid. Calculate the...
Consider a wire with resistivity of 2.20x10-7 Ω m, a diameter of 9.50 mm, and a length of 29 m. Determine the resistance of the wire in ohms (Ω). Round your answer to three significant figures.
Learning Goal: Examine the dependence of resistivity and resistance of a wire on temperature and how it affects the potential difference across the terminals of the wire. Introduction: A current of 65 milli-amperes (mA) flows through a wire of length L= 1.7 meters long and diameter of d= 1.15 millimeters at a temperature of T0= 20 °C; the wire's resistivity at this temperature is ρ0= 5.33×10−8 Ω ∙ m. The temperature coefficient of resistivity of the material is α= 4.6×10−3/C°....
Copper wire has a resistivity ρ = 1.7 × 10-8 Ω⋅m when at 20°C and it has a temperature coefficient α = 3.9 × 10-3 K-1. A solid cylinder of copper of length L = 85 cm and diameter D = 2.5 mm has one end held at T1 = 7°C and the other end is held at T2 = 210°C. The temperature increases linearly between the two ends of the cylinder. Given that T= T1 + ( x/L )...
Consider a wire with resistivity of 9.2 x10-7 Ω m, a diameter of 4.5 mm, and a length of 33 m. What is the resistance of the wire in ohms (Ω).
A 100.0-m-long, 1.20-mm-diameter copper wire (resistivity 1.70*1082m) is shaped into a circular coil that consists of 150 identical turns. The coil is then connected to the terminals of a 9.00-V-battery that has internal resistance of 1.50 12. Calculate the strength of the magnetic field (due to the current running through the coil) at the center of the coil.
A 16.50 ?? long wire has a diameter of 0.355 ?? and a resistivity of7.65 ? 10,- Ω ??. ( a ) Calculate its resistance (b) If a 3.85 ???? battery is connected to the wire, what current exists in the circuit? I changed those three values to meters as below, what do I do next please Length = 0.165 m Diameter = 0.000355 m Resistivity = 7.65 * 10^-9 Ω m
10, A cylindrical copper wire heater (resistivity of 1.7x10" Ωm) has a radius of 0.5 mm and a length of 10 m. What is the current on this wire when it is connected to a voltage source of 120 V? (a) (b) (c) (d) 2.8 A 65 A 52 A 124 A-, ' = 0,2302 天心ー。ソー 520A. 1.120 11. What is the equivalent resistance of the circuit between the points A & B? 2 6 2Ω (d) 9Ω 3Ω 12....